./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:15,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:15,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:11:15,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:15,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:15,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:15,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:15,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:15,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:15,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:15,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:15,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:15,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:15,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:15,685 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:15,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:15,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:15,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:15,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:15,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:15,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:15,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:15,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:15,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:15,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:15,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:15,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:15,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:15,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:15,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:15,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:15,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:15,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:15,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:15,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:15,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:15,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:15,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:15,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:15,700 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b [2024-10-31 22:11:16,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:16,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:16,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:16,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:16,092 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:16,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:11:18,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:19,157 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:19,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-10-31 22:11:19,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/data/9d551721c/c5abf24c1f0f4720928c6ece72c7a35a/FLAG0dce0b700 [2024-10-31 22:11:19,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/data/9d551721c/c5abf24c1f0f4720928c6ece72c7a35a [2024-10-31 22:11:19,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:19,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:19,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:19,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:19,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:19,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:19" (1/1) ... [2024-10-31 22:11:19,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45dcafdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:19, skipping insertion in model container [2024-10-31 22:11:19,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:19" (1/1) ... [2024-10-31 22:11:19,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:20,609 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-10-31 22:11:21,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:21,108 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:21,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5282] [2024-10-31 22:11:21,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5289] [2024-10-31 22:11:21,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5297-5298] [2024-10-31 22:11:21,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5306-5307] [2024-10-31 22:11:21,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-10-31 22:11:21,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5383] [2024-10-31 22:11:21,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5391-5392] [2024-10-31 22:11:21,388 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-10-31 22:11:21,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5963] [2024-10-31 22:11:21,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5966] [2024-10-31 22:11:21,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5969] [2024-10-31 22:11:21,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5972] [2024-10-31 22:11:21,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5975] [2024-10-31 22:11:21,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5991-5992] [2024-10-31 22:11:21,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5995-5996] [2024-10-31 22:11:21,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5999-6000] [2024-10-31 22:11:21,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6003-6004] [2024-10-31 22:11:21,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6007-6008] [2024-10-31 22:11:21,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6031-6032] [2024-10-31 22:11:21,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6035-6036] [2024-10-31 22:11:21,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6039-6040] [2024-10-31 22:11:21,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6043-6044] [2024-10-31 22:11:21,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6047-6048] [2024-10-31 22:11:21,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6176] [2024-10-31 22:11:21,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6179] [2024-10-31 22:11:21,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6182] [2024-10-31 22:11:21,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6185] [2024-10-31 22:11:21,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6188] [2024-10-31 22:11:21,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [6200-6201] [2024-10-31 22:11:21,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6218-6219] [2024-10-31 22:11:21,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6222-6223] [2024-10-31 22:11:21,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6226-6227] [2024-10-31 22:11:21,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6230-6231] [2024-10-31 22:11:21,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6234-6235] [2024-10-31 22:11:21,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((u32 *)argp), "i" (4UL)); [6247-6248] [2024-10-31 22:11:21,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6261-6262] [2024-10-31 22:11:21,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6265-6266] [2024-10-31 22:11:21,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6269-6270] [2024-10-31 22:11:21,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6273-6274] [2024-10-31 22:11:21,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6277-6278] [2024-10-31 22:11:21,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" ((u32 *)argp), "i" (4UL)); [6290-6291] [2024-10-31 22:11:21,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6328-6329] [2024-10-31 22:11:21,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6332-6333] [2024-10-31 22:11:21,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6336-6337] [2024-10-31 22:11:21,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6340-6341] [2024-10-31 22:11:21,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6344-6345] [2024-10-31 22:11:21,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [6357-6358] [2024-10-31 22:11:21,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:21,688 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:21,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21 WrapperNode [2024-10-31 22:11:21,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:21,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:21,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:21,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:21,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:21,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:21,922 INFO L138 Inliner]: procedures = 180, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2743 [2024-10-31 22:11:21,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:21,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:21,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:21,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:21,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:21,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:21,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,295 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [2, 20, 13, 229, 1, 28, 24]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 15, 0, 6, 0, 0, 0]. The 152 writes are split as follows [0, 2, 13, 100, 0, 13, 24]. [2024-10-31 22:11:22,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:22,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:22,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:22,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:22,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (1/1) ... [2024-10-31 22:11:22,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:22,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:22,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:22,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d79a799-ddc5-4fe2-861d-60b3487b7e99/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-31 22:11:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-31 22:11:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:11:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:11:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:11:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:11:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-10-31 22:11:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-10-31 22:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-10-31 22:11:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-10-31 22:11:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:11:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:11:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:11:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:11:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:11:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:11:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:11:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:11:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:11:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:11:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:11:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:11:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:11:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:11:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:11:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:11:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:11:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:11:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-10-31 22:11:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-10-31 22:11:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-10-31 22:11:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-10-31 22:11:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-10-31 22:11:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-31 22:11:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-31 22:11:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-31 22:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-31 22:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-31 22:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-31 22:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-31 22:11:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-31 22:11:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-31 22:11:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-10-31 22:11:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-10-31 22:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:11:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-10-31 22:11:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-10-31 22:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-31 22:11:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-31 22:11:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-10-31 22:11:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-10-31 22:11:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-10-31 22:11:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:11:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:11:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 22:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-10-31 22:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-10-31 22:11:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:11:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:11:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-10-31 22:11:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-10-31 22:11:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-10-31 22:11:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-10-31 22:11:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-31 22:11:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-31 22:11:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-31 22:11:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-31 22:11:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:11:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:11:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-10-31 22:11:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-10-31 22:11:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-10-31 22:11:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-10-31 22:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-31 22:11:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-31 22:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:11:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:11:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:11:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:11:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-10-31 22:11:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-10-31 22:11:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:11:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-10-31 22:11:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:11:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-31 22:11:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-10-31 22:11:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:11:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:11:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:11:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:11:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:11:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-10-31 22:11:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-10-31 22:11:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:11:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 22:11:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 22:11:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-31 22:11:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-31 22:11:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-10-31 22:11:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-10-31 22:11:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-10-31 22:11:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-10-31 22:11:23,319 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:23,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:24,023 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:11:35,064 INFO L? ?]: Removed 1327 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:35,065 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:35,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:35,114 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:11:35,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:35 BoogieIcfgContainer [2024-10-31 22:11:35,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:35,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:35,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:35,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:35,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:19" (1/3) ... [2024-10-31 22:11:35,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339d1ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:35, skipping insertion in model container [2024-10-31 22:11:35,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:21" (2/3) ... [2024-10-31 22:11:35,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339d1ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:35, skipping insertion in model container [2024-10-31 22:11:35,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:35" (3/3) ... [2024-10-31 22:11:35,126 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-10-31 22:11:35,146 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:35,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:35,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:35,270 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18014f2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:35,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 868 states, 710 states have (on average 1.4535211267605634) internal successors, (1032), 724 states have internal predecessors, (1032), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2024-10-31 22:11:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-31 22:11:35,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:35,301 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:11:35,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:35,310 INFO L85 PathProgramCache]: Analyzing trace with hash 777758135, now seen corresponding path program 1 times [2024-10-31 22:11:35,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535132750] [2024-10-31 22:11:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:35,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:11:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:11:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:11:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:11:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:11:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:11:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:11:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:11:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:11:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:11:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:11:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-31 22:11:36,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:11:36,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535132750] [2024-10-31 22:11:36,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535132750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:11:36,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:11:36,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:11:36,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615523795] [2024-10-31 22:11:36,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:11:36,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:11:36,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:11:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:11:36,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:11:36,587 INFO L87 Difference]: Start difference. First operand has 868 states, 710 states have (on average 1.4535211267605634) internal successors, (1032), 724 states have internal predecessors, (1032), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-31 22:11:40,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:11:44,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []